
	package servlet.grade;
	
	import java.io.IOException;
	import java.util.List;
	import javax.servlet.ServletException;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;
	import enitys.Course;
	import service.CourseManager;
	
	public class ShowGradeAdd extends HttpServlet {
	
		/**
		 * 
		 */
		private static final long serialVersionUID = 1L;
	
		/**
		 * Constructor of the object.
		 */
		public ShowGradeAdd() {
			super();
		}
	
		/**
		 * Destruction of the servlet. <br>
		 */
		public void destroy() {
			super.destroy(); // Just puts "destroy" string in log
			// Put your code here
		}
	
		/**
		 * The doGet method of the servlet. <br>
		 *
		 * This method is called when a form has its tag value method equals to get.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
		public void doGet(HttpServletRequest request, HttpServletResponse response)
				throws ServletException, IOException {
	
				doPost(request,response);
		}
	
		/**
		 * The doPost method of the servlet. <br>
		 *
		 * This method is called when a form has its tag value method equals to post.
		 * 
		 * @param request the request send by the client to the server
		 * @param response the response send by the server to the client
		 * @throws ServletException if an error occurred
		 * @throws IOException if an error occurred
		 */
		public void doPost(HttpServletRequest request, HttpServletResponse response)
				throws ServletException, IOException {
				CourseManager manager=CourseManager.getInstance();
				try {
					List<Course>  info=manager.courseAllInfo();
					request.setAttribute("grade", info);
					this.getServletConfig().getServletContext().getRequestDispatcher("/jsp/grade/admin_add_grade.jsp").forward(request, response);
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
		}
	
		/**
		 * Initialization of the servlet. <br>
		 *
		 * @throws ServletException if an error occurs
		 */
		public void init() throws ServletException {
			// Put your code here
		}
	
	}
